一天,我和爸爸在花鸟市场买了一个大鱼缸和几条小金鱼。我天天给小金鱼喂食,本以为小金鱼会越来越胖,可是我却惊讶地发现,小鱼越来越瘦了,这是什么原因呢?于是每次给小金鱼喂食,我都会细心地观察。多次观察后,我终于发现了一个奇怪的现象:小金鱼只在食物下沉的过程中吃食,当食物下沉到一定的水位时它们就不吃了。我心里 One day, my father and I bought a large aquarium and several small goldfish in the flower market. I feed the little goldfish every day, and I think the little golden fish will get fatter and fatter, but I was surprised to find that the fish are getting thinner and thinner. What is the reason? So every time I feed the little goldfish, I will carefully Observed. After many observations, I finally found a weird phenomenon: small goldfish only eat food sinking process, when the food sinks to a certain level when they do not eat. in my heart